a) Let x = the number of days that pass
The water cannot drop below 13 feet, so
25 - 3x >/= 13
b) -3x >/= 13 - 25
-3x >/= -12
x </= 4
So, the Smiths have a maximum of 4 days before the water drops too low to be drinkable.
wow! i struggeled for 1hr. thank you your the best!!!
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